is there a registry teak to close quickly windows8.1 apps

It seems, on my machine anyway, the only way to 'shutdown' the Store is to End the Task in Task Manager. If you open the Store again it will return to suspended state no matter which way you close it.
This also seems to be the case for apps that you have set as default.

w8.1
downloaded ms apps solitare and suduku but when i try to open them they get to the open page but before w8 can sign in the screen reverts to desktop mode. How do i prevent this please.
tried fresh downloads, reboots, microsoft apps repair tool, SFC SCANNOW,and DISM 3rd party apps ok...

This tutorial demonstrates how to close 'Modern' Apps completely using the 'drag to the bottom of the screen' method; also, drastically reducing the 'hang' time with this method.
https://www.youtube.com/watch?v=mN_AG6SbAmo

How to Close Modern Apps in Windows 8 and Windows 8.1
You will notice that modern apps from the Store in Windows 8 do not have the traditional close button as desktop apps.
By default in Windows 8, when you leave a opened app by switching to another screen, Windows 8 will either suspend or...

So I got a new computer a few months ago, and one of the first things I tried to do was download Skype. Which it succeeded, that made me happy, but whenever I try to open, it opens up, and right when the little loading circle is suppose to show up, it just closes out of the app. It does that same...

Kill this file wwahost.exe and all apps will close and return to desktop :dinesh:
create a .bat file pasting either of two codes below in Notepad and saving as .bat. Create a desktop shortcut and give a keyboard shortcut (for example I have given F2 so I can kill them all with one click)
...

Is there any way I can have a close button in the Windows 8 apps,
It annoy me when I move my second hand to the keyboard to press Alt+F4 in order to close the app
OR
Hold the mouse click on the app top and drag it to the bottom, too much movement

Since I've not installed adobe reader, the preinstalled Reader app opened for viewing a pdf file. What is the intended method to close Reader and other metro apps? I don't see any way to do that. I don't expect we are supposed to use Task Manager to close it.
Thanks